Dilution vessel



FIG. 1 is a top plan view of my dilution vessel of my invention;

FIG. 2 is a front elevational view;

FIG. 3 is a bottom view;

FIG. 4 is a rear elevational view;

FIG. 5 is a side elevational view;

FIG. 6 is a side elevational view opposite to that illustrated in FIG. 5;

FIG. 7 is a side elevational view partially in section to illustrate the typical depth of the cup or vessel cavities; and

FIG. 8 is a side elevational view similar to FIG. 6. 

The ornamental design for a dilution vessel, as shown. 